Going back to the Einsteins question.

Going back to the Einsteins question. #In his Miracle 1905 Einstein wrote the Fourth paper: On the Electrodynamics of moving Bodies. ( SRT).And as a postscript to his forth, the Fifth paper:  Does the inertia of a body depend upon its energy content? As he realized the answer was: Yes, the inertia ( ! ) depends on its energy E= Mc^2. ( ! )Not Galileo and not Newton explained the cause of inertia.It was Einstein who explained the reason of inertia:He said that the inertia depends on its energy E= Mc^2.It means what SRT must be connected with E= Mc^2 .It means what must be connection between Lorentzs transformation and E= Mc^2. #. The same Einsteins question in a little detail interpretation:Does the inertia of a body ( for example: of a light quantaor of an electron) depend upon its energy content E=Mc^2 ? Thinking logically, the answer must be : Yes, it depends.When new question arise:  How is possible to understand theconnection between E=Mc^2 and E=ht or E= kb or E= h*w. ? On my opinion " The Law of Conservation and Transformationof Energy/ Mass" (according to one single light quanta /electron )gives answer to this question.. The problem is that now nobody wants to ask yourself thatThe Law of Conservation and Transformation of Energy/ Mass"means according to one single light quanta / photon /electron.============== . .Best wishes. Israel Sadovnik. Socratus.===..

E=mc² has everything to do with the mass an object contains, and the equivalent energy.
It has nothing to do with intertia.

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' ' Does the inertia of a body depend upon its energy content? ' / Einstein. 27.09.1905. /What is the formula of this energy content?The formula is : E=Mc^2Does the inertia of a body depend upon its E=Mc^2 ?
/ 09.04.2012. /===.

The OP does not, as I see it, contain a question. In any case mass is both a measure of inertia and as a source of gravitation. The best measure of both mass and energy seems to be recognizing that E = mc^2 is not a formula for conversion, but is a physical identity, mass and energy is the same thing. Rest mass is a slightly different matter.

The OP does not, as I see it, contain a question.
In any case mass is both a measure of inertia and as a source of gravitation.
The best measure of both mass and energy seems to be recognizing
that E = mc^2 is not a formula for conversion,
but is a physical identity,
mass and energy is the same thing.
Rest mass is a slightly different matter.

Where does strange E= Mc^2 come from?1In 1905 Einstein asked: Does the inertia of a body depend upon its energy content? As he realized the answer was: Yes, it depends on its energy content E= Mc^2  It means that E= Mc^2 has some connection with inertia butnobody explains this interaction. 2.In 1928 Dirac said that E= Mc^2 comes from vacuum and can be as positive as negative too.3 -Sometimes E= Mc^2 can be rest and sometimescan be active and can destroy cities likeHiroshima and NagasakiWhy E= Mc^2 is so strange ?Nobody gives answer===.